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Finding the Fourth Proportional to 10,701.42, 14,765.58 and 6,721.08

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Solution

The fourth proportional to 10,701.42, 14,765.58 and 6,721.08 is: 9,273.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,701.42 : 14,765.58 = 6,721.08 : x
  2. Step 2: Convert to fraction form
    10,701.42/14,765.58 = 6,721.08/x
  3. Step 3: Cross multiply
    10,701.42x = 14,765.58 × 6,721.08
  4. Step 4: Simplify right side
    10,701.42x = 99,240,644.43
  5. Step 5: Solve for x
    x = 99,240,644.43/10,701.42
  6. Step 6: Final answer
    x = 9,273.60

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.